import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import { baseUrl } from '@/utils/module'

// create an axios instance
const service = axios.create({
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  baseURL: baseUrl,
  withCredentials: false, // send cookies when cross-domain requests
  timeout: 50000 // request timeout
})
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
      // to re-login
      MessageBox.confirm('您已经在其他地方登录,您可以取消继续呆在这个页面, 或者重新登录', '提交退出', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        store.dispatch('user/resetToken').then(() => {
          location.reload()
        })
      })
      return Promise.reject(res.Message || 'error')
    }
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 20000) {
      Message({
        message: res.Message || 'error',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(res.Message || 'error')
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.Message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
